/******************************************************************************* ################################################################################ # Copyright (c) [2017-2019] [Radisys] # # # # Licensed under the Apache License, Version 2.0 (the "License"); # # you may not use this file except in compliance with the License. # # You may obtain a copy of the License at # # # # http://www.apache.org/licenses/LICENSE-2.0 # # # # Unless required by applicable law or agreed to in writing, software # # distributed under the License is distributed on an "AS IS" BASIS, # # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # # See the License for the specific language governing permissions and # # limitations under the License. # ################################################################################ *******************************************************************************/ /* This file contains F1AP message handler functions */ #include "common_def.h" #include "OCTET_STRING.h" #include "BIT_STRING.h" #include "odu_common_codec.h" #include "cu_stub_sctp.h" #include "cu_f1ap_msg_hdl.h" /******************************************************************* * * @brief Sends F1 msg over SCTP * * @details * * Function : SendF1APMsg * * Functionality: Sends F1 msg over SCTP * * @params[in] Region region * Pool pool * @return ROK - success * RFAILED - failure * * ****************************************************************/ S16 SendF1APMsg(Region region, Pool pool) { Buffer *mBuf = NULLP; if(ODU_GET_MSG_BUF(region, pool, &mBuf) == ROK) { if(ODU_ADD_POST_MSG_MULT((Data *)encBuf, encBufSize, mBuf) == ROK) { ODU_PRINT_MSG(mBuf, 0,0); if(sctpSend(mBuf) != ROK) { DU_LOG("\nF1AP : SCTP Send failed"); ODU_PUT_MSG_BUF(mBuf); return RFAILED; } } else { DU_LOG("\nF1AP : ODU_ADD_POST_MSG_MULT failed"); ODU_PUT_MSG_BUF(mBuf); return RFAILED; } ODU_PUT_MSG_BUF(mBuf); } else { DU_LOG("\nF1AP : Failed to allocate memory"); return RFAILED; } return ROK; } /* SendF1APMsg */ /******************************************************************* * * @brief Builds NRCell ID * * @details * * Function : BuildNrCellId * * Functionality: Building the NR Cell ID * * @params[in] BIT_STRING_t *nrcell * @return ROK - success * RFAILED - failure * * ****************************************************************/ S16 BuildNrCellId(BIT_STRING_t *nrcell) { U8 tmp; for (tmp = 0 ; tmp < nrcell->size-1; tmp++) { nrcell->buf[tmp] = 0; } nrcell->buf[4] = 16; nrcell->bits_unused = 4; nrcell->size = 5 * sizeof(uint8_t); return ROK; } /******************************************************************** * * @brief Builds and sends the F1SetupResponse * * @details * * Function : BuildAndSendF1SetupRsp * * Functionality: Constructs the F1SetupResponse message and sends * it back to the DU through SCTP. * * @params[in] void **buf,Buffer to which encoded pattern is written into * @params[in] int *size,size of buffer * * @return ROK - success * RFAILED - failure * * ****************************************************************/ S16 BuildAndSendF1SetupRsp() { U8 idx,ieIdx; U8 elementCnt,cellCnt; F1AP_PDU_t *f1apMsg = NULL; F1SetupResponse_t *f1SetupRsp; GNB_CU_Name_t *cuName; Cells_to_be_Activated_List_t *cellToActivate; RRC_Version_t *rrcVer; asn_enc_rval_t encRetVal; DU_LOG("\nF1AP : Building F1 Setup Response\n"); /* Allocate the memory for F1SetupRequest_t */ CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t)); if(f1apMsg == NULLP) { DU_LOG("\nF1AP : Memory allocation for F1AP-PDU failed"); return RFAILED; } f1apMsg->present = F1AP_PDU_PR_successfulOutcome; CU_ALLOC(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); if(f1apMsg->choice.successfulOutcome == NULLP) { DU_LOG("\nF1AP : Memory allocation for F1AP-PDU failed"); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } f1apMsg->choice.successfulOutcome->procedureCode = ProcedureCode_id_F1Setup; f1apMsg->choice.successfulOutcome->criticality = Criticality_reject; f1apMsg->choice.successfulOutcome->value.present = \ SuccessfulOutcome__value_PR_F1SetupResponse; f1SetupRsp = &f1apMsg->choice.successfulOutcome->value.choice.F1SetupResponse; elementCnt = 4; f1SetupRsp->protocolIEs.list.count = elementCnt; f1SetupRsp->protocolIEs.list.size = elementCnt*sizeof(F1SetupResponseIEs_t *); CU_ALLOC(f1SetupRsp->protocolIEs.list.array, \ elementCnt * sizeof(F1SetupResponseIEs_t *)); if(f1SetupRsp->protocolIEs.list.array == NULLP) { DU_LOG("\nF1AP : Memory allocation for F1ResponseIEs failed"); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } for(idx=0; idxprotocolIEs.list.array[idx], \ sizeof(F1SetupResponseIEs_t)); if(f1SetupRsp->protocolIEs.list.array[idx] == NULLP) { CU_FREE(f1SetupRsp->protocolIEs.list.array,\ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, \ sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } } /*TransactionID*/ idx = 0; f1SetupRsp->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_TransactionID; f1SetupRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject; f1SetupRsp->protocolIEs.list.array[idx]->value.present = \ F1SetupResponseIEs__value_PR_TransactionID; f1SetupRsp->protocolIEs.list.array[idx]->value.choice.TransactionID =\ TRANS_ID; /*CU Name*/ idx++; f1SetupRsp->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_gNB_CU_Name; f1SetupRsp->protocolIEs.list.array[idx]->criticality = Criticality_ignore; f1SetupRsp->protocolIEs.list.array[idx]->value.present = \ F1SetupResponseIEs__value_PR_GNB_CU_Name; cuName = &f1SetupRsp->protocolIEs.list.array[idx]->value.choice.GNB_CU_Name; cuName->size = sizeof(cuCfgParams.cuName); CU_ALLOC(cuName->buf, sizeof(cuName->size)); if(cuName->buf == NULLP) { for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx],\ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array,\ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome,\ sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } strcpy((char*)cuName->buf, (char*)cuCfgParams.cuName); /*Cells to be activated list*/ idx++; f1SetupRsp->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_Cells_to_be_Activated_List ; f1SetupRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject; f1SetupRsp->protocolIEs.list.array[idx]->value.present = \ F1SetupResponseIEs__value_PR_Cells_to_be_Activated_List; cellToActivate = &f1SetupRsp->protocolIEs.list.array[idx]->value.choice.\ Cells_to_be_Activated_List; cellCnt=1; cellToActivate->list.count = cellCnt; cellToActivate->list.size = \ cellCnt*sizeof(struct Cells_to_be_Activated_List_ItemIEs *); CU_ALLOC(cellToActivate->list.array,\ sizeof(struct Cells_to_be_Activated_List_ItemIEs *)); if(cellToActivate->list.array == NULLP) { CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx],\ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array,\ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } for(ieIdx=0; ieIdxlist.array[ieIdx],sizeof(struct Cells_to_be_Activated_List_ItemIEs )); if(cellToActivate->list.array[ieIdx] == NULLP) { CU_FREE(cellToActivate->list.array,\ sizeof(struct Cells_to_be_Activated_List_ItemIEs *)); CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx], \ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array, \ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, \ sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } } cellToActivate->list.array[0]->id = \ ProtocolIE_ID_id_Cells_to_be_Activated_List_Item; cellToActivate->list.array[0]->criticality = Criticality_ignore; cellToActivate->list.array[0]->value.present = \ Cells_to_be_Activated_List_ItemIEs__value_PR_Cells_to_be_Activated_List_Item; cellToActivate->list.array[0]->value.choice.Cells_to_be_Activated_List_Item.\ nRCGI.pLMN_Identity.size = 3*sizeof(uint8_t); CU_ALLOC(cellToActivate->list.array[0]->\ value.choice.Cells_to_be_Activated_List_Item.nRCGI.pLMN_Identity.buf,\ 3*sizeof(uint8_t)); if(cellToActivate->list.array[0]->value.choice.\ Cells_to_be_Activated_List_Item.nRCGI.pLMN_Identity.buf == NULLP) { for(ieIdx=0; ieIdxlist.array[ieIdx],\ sizeof(struct Cells_to_be_Activated_List_ItemIEs )); } CU_FREE(cellToActivate->list.array,\ sizeof(struct Cells_to_be_Activated_List_ItemIEs *)); CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx], \ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array, \ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, \ sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } buildPlmnId(cuCfgParams.plmn , cellToActivate->list.array[0]->value.choice.\ Cells_to_be_Activated_List_Item.nRCGI.pLMN_Identity.buf); cellToActivate->list.array[0]->value.choice.Cells_to_be_Activated_List_Item.\ nRCGI.nRCellIdentity.size = 5; CU_ALLOC(cellToActivate->list.array[0]->value.choice.\ Cells_to_be_Activated_List_Item.nRCGI.nRCellIdentity.buf,\ 5*sizeof(uint8_t)); if(cellToActivate->list.array[0]->value.choice.\ Cells_to_be_Activated_List_Item.nRCGI.nRCellIdentity.buf == NULLP) { CU_FREE(cellToActivate->list.array[0]->\ value.choice.Cells_to_be_Activated_List_Item.nRCGI.pLMN_Identity.buf,\ 3*sizeof(uint8_t)); for(ieIdx=0; ieIdxlist.array[ieIdx],\ sizeof(struct Cells_to_be_Activated_List_ItemIEs )); } CU_FREE(cellToActivate->list.array,\ sizeof(struct Cells_to_be_Activated_List_ItemIEs *)); CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx], \ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array, \ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, \ sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } BuildNrCellId(&(cellToActivate->list.array[0]->value.choice.Cells_to_be_Activated_List_Item.nRCGI.nRCellIdentity)); /* RRC Version */ idx++; f1SetupRsp->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_GNB_CU_RRC_Version; f1SetupRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject; f1SetupRsp->protocolIEs.list.array[idx]->value.present = \ F1SetupResponseIEs__value_PR_RRC_Version; rrcVer = &f1SetupRsp->protocolIEs.list.array[idx]->value.choice.RRC_Version; rrcVer->latest_RRC_Version.size = RRC_SIZE; CU_ALLOC(rrcVer->latest_RRC_Version.buf, sizeof(U8)); if(rrcVer->latest_RRC_Version.buf == NULLP) { CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx], \ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array,\ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } /* Need to check RRC Version */ rrcVer->latest_RRC_Version.buf[0] = cuCfgParams.rrcVersion.rrcVer; rrcVer->latest_RRC_Version.bits_unused = 5; //TODO: pick from cuCfgParam. If not present, add it CU_ALLOC(rrcVer->iE_Extensions,sizeof(ProtocolExtensionContainer_4624P81_t)); if(rrcVer->iE_Extensions == NULLP) { CU_FREE(rrcVer->latest_RRC_Version.buf, sizeof(U8)); CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx], \ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array,\ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } rrcVer->iE_Extensions->list.count = 1; rrcVer->iE_Extensions->list.size = sizeof(struct RRC_Version_ExtIEs *); CU_ALLOC(rrcVer->iE_Extensions->list.array,\ sizeof(struct RRC_Version_ExtIEs *)); if(rrcVer->iE_Extensions->list.array == NULLP) { CU_FREE(rrcVer->iE_Extensions,\ sizeof(ProtocolExtensionContainer_4624P81_t)); CU_FREE(rrcVer->latest_RRC_Version.buf, sizeof(U8)); CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx], \ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array,\ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } CU_ALLOC(rrcVer->iE_Extensions->list.array[0],\ sizeof(struct RRC_Version_ExtIEs)); if(rrcVer->iE_Extensions->list.array[0] == NULLP) { CU_FREE(rrcVer->iE_Extensions->list.array,\ sizeof(struct RRC_Version_ExtIEs *)); CU_FREE(rrcVer->iE_Extensions,\ sizeof(ProtocolExtensionContainer_4624P81_t)); CU_FREE(rrcVer->latest_RRC_Version.buf, sizeof(U8)); CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx], \ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array,\ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } rrcVer->iE_Extensions->list.array[0]->id = \ ProtocolIE_ID_id_latest_RRC_Version_Enhanced; rrcVer->iE_Extensions->list.array[0]->criticality = Criticality_reject; rrcVer->iE_Extensions->list.array[0]->extensionValue.present = \ RRC_Version_ExtIEs__extensionValue_PR_Latest_RRC_Version_Enhanced; rrcVer->iE_Extensions->list.array[0]->extensionValue.choice.\ Latest_RRC_Version_Enhanced.size = 3*sizeof(U8); CU_ALLOC(rrcVer->iE_Extensions->list.\ array[0]->extensionValue.choice.Latest_RRC_Version_Enhanced.buf,\ 3*sizeof(U8)); if(rrcVer->iE_Extensions->list.\ array[0]->extensionValue.choice.Latest_RRC_Version_Enhanced.buf == NULLP) { CU_FREE(rrcVer->iE_Extensions->list.array[0],\ sizeof(struct RRC_Version_ExtIEs)); CU_FREE(rrcVer->iE_Extensions->list.array,\ sizeof(struct RRC_Version_ExtIEs *)); CU_FREE(rrcVer->iE_Extensions,\ sizeof(ProtocolExtensionContainer_4624P81_t)); CU_FREE(rrcVer->latest_RRC_Version.buf, sizeof(U8)); CU_FREE(cuName->buf, sizeof(cuName->size)); for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx], \ sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array,\ elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } rrcVer->iE_Extensions->list.array[0]->extensionValue.choice.\ Latest_RRC_Version_Enhanced.buf[0] = 0; rrcVer->iE_Extensions->list.array[0]->extensionValue.choice.\ Latest_RRC_Version_Enhanced.buf[1] = 5; rrcVer->iE_Extensions->list.array[0]->extensionValue.choice.\ Latest_RRC_Version_Enhanced.buf[2] = 15; xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); /* Encode the F1SetupRequest type as UPER */ memset(encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf, encBuf); /* Clean up */ CU_FREE(rrcVer->latest_RRC_Version.buf, sizeof(U8)); CU_FREE(cuName->buf, sizeof(cuName->size)); for(idx=0; idxprotocolIEs.list.array[idx], sizeof(F1SetupResponseIEs_t)); } CU_FREE(f1SetupRsp->protocolIEs.list.array, elementCnt * sizeof(F1SetupResponseIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); /* Check encode results */ if(encRetVal.encoded == ENCODE_FAIL) { DU_LOG("\nF1AP : Could not encode F1SetupResponse structure (at %s)\n",\ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); return RFAILED; } else { DU_LOG("\nF1AP : Created APER encoded buffer for F1SetupResponse\n"); for(int i=0; i< encBufSize; i++) { printf("%x",encBuf[i]); } } /* Sending msg */ if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK) { DU_LOG("\nF1AP : Sending F1 Setup Response failed"); return RFAILED; } return ROK; }/* End of BuildAndSendF1SetupRsp */ /******************************************************************* * * @brief Builds and sends the DUUpdateAcknowledge * * @details * * Function : BuildAndSendDUUpdateAck * * Functionality: Constructs the DU Update Acknowledge message and sends * it to the DU through SCTP. * * @params[in] void **buf,Buffer to which encoded pattern is written into * @params[in] int *size,size of buffer * * @return ROK - success * RFAILED - failure * * ****************************************************************/ S16 BuildAndSendDUUpdateAck() { U8 idx; U8 elementCnt; F1AP_PDU_t *f1apMsg = NULL; GNBDUConfigurationUpdateAcknowledge_t *gNBDuCfgAck; asn_enc_rval_t enRetVal; /* Encoder return value */ DU_LOG("\nF1AP : Building GNB-DU Config Update Ack\n"); /* Allocate the memory for F1SetupRequest_t */ CU_ALLOC(f1apMsg, (Size)sizeof(F1AP_PDU_t)); if(f1apMsg == NULLP) { DU_LOG("\nF1AP : Memory allocation for F1AP-PDU failed"); return RFAILED; } f1apMsg->present = F1AP_PDU_PR_successfulOutcome; CU_ALLOC(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); if(f1apMsg->choice.successfulOutcome == NULLP) { DU_LOG("\nF1AP : Memory allocation for F1AP-PDU failed"); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } f1apMsg->choice.successfulOutcome->procedureCode = ProcedureCode_id_gNBDUConfigurationUpdate; f1apMsg->choice.successfulOutcome->criticality = Criticality_reject; f1apMsg->choice.successfulOutcome->value.present = SuccessfulOutcome__value_PR_GNBDUConfigurationUpdateAcknowledge; gNBDuCfgAck = &f1apMsg->choice.successfulOutcome->value.choice.GNBDUConfigurationUpdateAcknowledge; elementCnt = 1; gNBDuCfgAck->protocolIEs.list.count = elementCnt; gNBDuCfgAck->protocolIEs.list.size = elementCnt*sizeof(GNBDUConfigurationUpdateAcknowledgeIEs_t); /* Initialize the F1Setup members */ CU_ALLOC(gNBDuCfgAck->protocolIEs.list.array, elementCnt * sizeof(GNBDUConfigurationUpdateAcknowledgeIEs_t *)); if(gNBDuCfgAck->protocolIEs.list.array == NULLP) { DU_LOG("\nF1AP : Memory allocation for DuUpdateAcknowledgeIEs failed"); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg,(Size)sizeof(F1AP_PDU_t)); return RFAILED; } for(idx=0; idxprotocolIEs.list.array[idx], sizeof(GNBDUConfigurationUpdateAcknowledgeIEs_t)); if(gNBDuCfgAck->protocolIEs.list.array[idx] == NULLP) { CU_FREE(gNBDuCfgAck->protocolIEs.list.array, elementCnt * sizeof(GNBDUConfigurationUpdateAcknowledgeIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } } /*TransactionID*/ idx = 0; gNBDuCfgAck->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_TransactionID ; gNBDuCfgAck->protocolIEs.list.array[idx]->criticality = Criticality_reject; gNBDuCfgAck->protocolIEs.list.array[idx]->value.present = GNBDUConfigurationUpdateAcknowledgeIEs__value_PR_TransactionID; gNBDuCfgAck->protocolIEs.list.array[idx]->value.choice.TransactionID = TRANS_ID; xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); /* Encode the F1SetupRequest type as UPER */ memset(encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; enRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf, encBuf); /* Clean up */ for(idx=0; idxprotocolIEs.list.array[idx], sizeof(GNBDUConfigurationUpdateAcknowledgeIEs_t)); } CU_FREE(gNBDuCfgAck->protocolIEs.list.array, elementCnt * sizeof(GNBDUConfigurationUpdateAcknowledgeIEs_t *)); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); /* Checking encode results */ if(enRetVal.encoded == ENCODE_FAIL) { DU_LOG("\nF1AP : Could not encode DUConfigUpdateAcknowledge structure (at %s)",enRetVal.failed_type ? enRetVal.failed_type->name : "unknown"); return RFAILED; } else { DU_LOG("\nF1AP : Created APER encoded buffer for DuConfigUpdateAcknowledge\n"); for(int i=0; i< encBufSize; i++) { printf("%x",encBuf[i]); } } /* Sending msg */ if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK) { DU_LOG("\nF1AP : Sending GNB-DU Config Update Ack failed"); return RFAILED; } return ROK; }/* End of BuildAndSendDUUpdateAck*/ /******************************************************************* * * @brief deallocating the memory of F1reset msg * * @details * * Function : FreeF1ResetReq * * Functionality : * - freeing memory of F1reset request msg * * @params[in] * @return void * * * ****************************************************************/ void FreeF1ResetReq(F1AP_PDU_t *f1apMsg) { uint8_t idx = 0; Reset_t *f1ResetMsg = NULLP; if(f1apMsg) { if(f1apMsg->choice.initiatingMessage) { f1ResetMsg = &f1apMsg->choice.initiatingMessage->value.choice.Reset; if(f1ResetMsg->protocolIEs.list.array) { for(idx=0 ;idx < f1ResetMsg->protocolIEs.list.count ; idx++) { if(f1ResetMsg->protocolIEs.list.array[idx]) { CU_FREE(f1ResetMsg->protocolIEs.list.array[idx],sizeof(ResetIEs_t)); } } CU_FREE(f1ResetMsg->protocolIEs.list.array,f1ResetMsg->protocolIEs.list.size); } CU_FREE(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t)); } CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); } } /******************************************************************* * * @brief build ansld ans send f1reset msg * * @details * * Function : BuildAndSendF1ResetReq * * Functionality: build and send f1reset msg * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildAndSendF1ResetReq() { uint8_t elementCnt=0; uint8_t idx=0; uint8_t ret= RFAILED; Reset_t *f1ResetMsg = NULLP; F1AP_PDU_t *f1apMsg = NULLP; asn_enc_rval_t encRetVal; DU_LOG("\nF1AP : Building F1 Reset request \n"); do { CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t)); if(f1apMsg == NULLP) { DU_LOG("\nF1AP : Memory allocation for the BuildAndSendF1ResetReq's F1AP-PDU failed"); break; } f1apMsg->present = F1AP_PDU_PR_initiatingMessage; CU_ALLOC(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t)); if(f1apMsg->choice.initiatingMessage == NULLP) { DU_LOG("\nF1AP : Memory allocation for BuildAndSendF1ResetReq failed"); break; } f1apMsg->choice.initiatingMessage->procedureCode = ProcedureCode_id_Reset; f1apMsg->choice.initiatingMessage->criticality = Criticality_reject; f1apMsg->choice.initiatingMessage->value.present = InitiatingMessage__value_PR_Reset; f1ResetMsg = &f1apMsg->choice.initiatingMessage->value.choice.Reset; elementCnt = 3; f1ResetMsg->protocolIEs.list.count = elementCnt; f1ResetMsg->protocolIEs.list.size = elementCnt * sizeof(ResetIEs_t *); /* Initialize the F1Reset members */ CU_ALLOC(f1ResetMsg->protocolIEs.list.array,f1ResetMsg->protocolIEs.list.size); if(f1ResetMsg->protocolIEs.list.array == NULLP) { DU_LOG("\nF1AP : Memory allocation failed for BuildAndSendF1ResetReq"); break; } for(idx=0; idxprotocolIEs.list.array[idx],sizeof(ResetIEs_t)); if(f1ResetMsg->protocolIEs.list.array[idx] == NULLP) { DU_LOG("\nF1AP : Memory allocation failed for BuildAndSendF1ResetReq msg array"); break; } } /*TransactionID*/ idx=0; f1ResetMsg->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_TransactionID; f1ResetMsg->protocolIEs.list.array[idx]->criticality = Criticality_reject; f1ResetMsg->protocolIEs.list.array[idx]->value.present = ResetIEs__value_PR_TransactionID; f1ResetMsg->protocolIEs.list.array[idx]->value.choice.TransactionID = 1; /*Cause*/ idx++; f1ResetMsg->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_Cause; f1ResetMsg->protocolIEs.list.array[idx]->criticality = Criticality_ignore; f1ResetMsg->protocolIEs.list.array[idx]->value.present = ResetIEs__value_PR_Cause; f1ResetMsg->protocolIEs.list.array[idx]->value.choice.Cause.present = Cause_PR_radioNetwork; f1ResetMsg->protocolIEs.list.array[idx]->value.choice.Cause.choice.radioNetwork = CauseRadioNetwork_action_desirable_for_radio_reasons; /*Reset Type*/ idx++; f1ResetMsg->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_ResetType; f1ResetMsg->protocolIEs.list.array[idx]->criticality = Criticality_reject; f1ResetMsg->protocolIEs.list.array[idx]->value.present = ResetIEs__value_PR_ResetType; f1ResetMsg->protocolIEs.list.array[idx]->value.choice.ResetType.present = ResetType_PR_f1_Interface; f1ResetMsg->protocolIEs.list.array[idx]->value.choice.ResetType.choice.f1_Interface = ResetAll_reset_all; xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); /* Encode the F1SetupRequest type as APER */ memset(encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf,\ encBuf); /* Encode results */ if(encRetVal.encoded == ENCODE_FAIL) { DU_LOG("\nF1AP : Could not encode F1Reset structure (at %s)\n",\ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); break; } else { DU_LOG("\nF1AP : Created APER encoded buffer for F1Reset\n"); for(idx=0; idx< encBufSize; idx++) { printf("%x",encBuf[idx]); } } if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK) { DU_LOG("\nF1AP : Sending F1 Reset request failed"); break; } ret = ROK; break; }while(true); FreeF1ResetReq(f1apMsg); return ret; } /******************************************************************* * * @brief Fills Radio Bearer Config * * @details * * Function : fillSrbCfg * * Functionality: Fills Radio Bearer Config * * @params[in] SRB_ToAddModList * * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t fillSrbCfg(uint8_t srbId, SRB_ToAddModList_t *bearerCfg) { uint8_t elementCnt; uint8_t idx, ieId; if(bearerCfg != NULLP) { elementCnt = 1; bearerCfg->list.count = elementCnt; bearerCfg->list.size =\ elementCnt * sizeof(SRB_ToAddMod_t *); CU_ALLOC(bearerCfg->list.array, bearerCfg->list.size); if(bearerCfg->list.array != NULLP) { for(idx = 0; idx < elementCnt; idx++) { CU_ALLOC(bearerCfg->list.array[idx], sizeof(SRB_ToAddMod_t)); if(bearerCfg->list.array[idx] == NULLP) { for(ieId = 0; ieId < idx; ieId++) { CU_FREE(bearerCfg->list.array[ieId], sizeof(SRB_ToAddMod_t)); } CU_FREE(bearerCfg->list.array, bearerCfg->list.size); return RFAILED; } } } else { return RFAILED; } idx = 0; bearerCfg->list.array[idx]->srb_Identity = srbId; } return ROK; } /******************************************************************* * * @brief Fills Master CellGroup Info * * @details * * Function : fillMasterCellGroup * * Functionality: Fills Master Cell Group IE * * @params[in] RRCSetup_IEs_t * * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t fillMasterCellGroup(OCTET_STRING_t *masterCellGroup) { uint8_t ret = ROK; masterCellGroup->buf = NULLP; if(f1apMsgDb.duToCuContainer.buf) { masterCellGroup->size = f1apMsgDb.duToCuContainer.size; CU_ALLOC(masterCellGroup->buf, masterCellGroup->size); if(masterCellGroup->buf != NULLP) { memcpy(masterCellGroup->buf, f1apMsgDb.duToCuContainer.buf,\ masterCellGroup->size); } else { ret = RFAILED; } } else { ret = RFAILED; } return ret; } /******************************************************************* * * @brief Fills RRC setup IE * * @details * * Function : fillRRCSetupIE * * Functionality: Fills RRC Setup IE * * @params[in] RRCSetup_IEs_t * * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t fillRRCSetupIE(RRCSetup_IEs_t *rrcSetupIE) { uint8_t ret = ROK; if(rrcSetupIE) { CU_ALLOC(rrcSetupIE->radioBearerConfig.srb_ToAddModList, sizeof(SRB_ToAddModList_t)); if(rrcSetupIE->radioBearerConfig.srb_ToAddModList != NULLP) { ret = fillSrbCfg(SRB1, rrcSetupIE->radioBearerConfig.srb_ToAddModList); } if(ret == ROK) { ret = fillMasterCellGroup(&rrcSetupIE->masterCellGroup); } else { CU_FREE(rrcSetupIE->radioBearerConfig.srb_ToAddModList, sizeof(SRB_ToAddModList_t)); ret = RFAILED; } } return ret; } /******************************************************************* * * @brief Fills DL DCCCH Message required for DLRRCMessageTransfer * * @details * * Function : fillDlCcchRrcMsg * * Functionality: Fills DL DCCCH Message required for * DLRRCMessageTransfer * * @params[in] RRCContainer_t *rrcContainer * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t fillDlCcchRrcMsg(RRCContainer_t *rrcContainer) { uint8_t ret = ROK; uint16_t idx2; DL_CCCH_Message_t dl_CCCH_Msg; asn_enc_rval_t encRetVal; if(rrcContainer != NULLP) { dl_CCCH_Msg.message.present = DL_CCCH_MessageType_PR_c1; CU_ALLOC(dl_CCCH_Msg.message.choice.c1 , sizeof(DL_CCCH_MessageType_t)); if(dl_CCCH_Msg.message.choice.c1 != NULLP) { dl_CCCH_Msg.message.choice.c1->present = DL_CCCH_MessageType__c1_PR_rrcSetup; CU_ALLOC(dl_CCCH_Msg.message.choice.c1->choice.rrcSetup, sizeof(RRCSetup_t)); if(dl_CCCH_Msg.message.choice.c1->choice.rrcSetup != NULLP) { dl_CCCH_Msg.message.choice.c1->choice.rrcSetup->rrc_TransactionIdentifier = 0; dl_CCCH_Msg.message.choice.c1->choice.rrcSetup->criticalExtensions.\ present = RRCSetup__criticalExtensions_PR_rrcSetup; /* Fill RRC Setup IE */ CU_ALLOC(dl_CCCH_Msg.message.choice.c1->choice.rrcSetup->\ criticalExtensions.choice.rrcSetup, sizeof(RRCSetup_IEs_t)); if(dl_CCCH_Msg.message.choice.c1->choice.rrcSetup->\ criticalExtensions.choice.rrcSetup != NULLP) { ret = fillRRCSetupIE(dl_CCCH_Msg.message.choice.c1->choice.rrcSetup->\ criticalExtensions.choice.rrcSetup); if(ret == ROK) { /* encode DL-CCCH message into RRC Container */ xer_fprint(stdout, &asn_DEF_DL_CCCH_MessageType, &dl_CCCH_Msg); memset(encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; encRetVal = aper_encode(&asn_DEF_DL_CCCH_MessageType, 0, &dl_CCCH_Msg, PrepFinalEncBuf, encBuf); /* Encode results */ if(encRetVal.encoded == ENCODE_FAIL) { DU_LOG( "\n F1AP : Could not encode RRCContainer for DL-CCCH Msg(at %s)\n",\ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); return RFAILED; } else { DU_LOG("\n F1AP : Created APER encoded buffer for RRCContainer for DL-CCCH Msg\n"); for(int i = 0; i< encBufSize; i++) { printf("%x",encBuf[i]); } rrcContainer->size = encBufSize; CU_ALLOC(rrcContainer->buf, rrcContainer->size); if(rrcContainer->buf != NULLP) { memset(rrcContainer->buf, 0, encBufSize); for(idx2 = 0; idx2 < encBufSize; idx2++) { rrcContainer->buf[idx2] = encBuf[idx2]; } } } } else { ret = RFAILED; } } else { DU_LOG("\nF1AP: Memory Alloc failed for RRC Setup Msg at fillDlCcchRrcMsg()"); ret = RFAILED; } } else { DU_LOG("\nF1AP: Memory Alloc failed for RRC Msg at fillDlCcchRrcMsg()"); ret = RFAILED; } } else { DU_LOG("\nF1AP: Memory Alloc failed for DL Ccch Msg choice at fillDlCcchRrcMsg()"); ret = RFAILED; } } else { DU_LOG("\nF1AP: RRC Container is NULLP at fillDlCcchRrcMsg()"); ret = RFAILED; } } uint8_t fillQosFlowsToAdd(struct SDAP_Config__mappedQoS_FlowsToAdd *qosFlow) { uint8_t idx, ied, elementCnt; elementCnt = 1; qosFlow->list.count = elementCnt; qosFlow->list.size = elementCnt * sizeof(QFI_t *); CU_ALLOC(qosFlow->list.array, qosFlow->list.size); if(qosFlow->list.array != NULLP) { for(idx = 0; idx < elementCnt; idx++) { CU_ALLOC(qosFlow->list.array[idx], sizeof(QFI_t)); if(qosFlow->list.array[idx] == NULLP) { for(ied = 0; ied < idx; ied++) { CU_FREE(qosFlow->list.array[idx], sizeof(QFI_t)); } CU_FREE(qosFlow->list.array, qosFlow->list.size); return RFAILED; } } } idx = 0; *qosFlow->list.array[idx] = 9; return ROK; } /******************************************************************* * * @brief Fills CN Assoc for Drb to Add/Mod List * * @details * * Function : fillCnAssoc * * Functionality: Fills CN Assoc for Drb to Add/Mod List * * @params[in] struct DRB_ToAddMod__cnAssociation * * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t fillCnAssoc(struct DRB_ToAddMod__cnAssociation *cnAssoc) { uint8_t ret = ROK; cnAssoc->present = DRB_ToAddMod__cnAssociation_PR_sdap_Config; if(cnAssoc->present == DRB_ToAddMod__cnAssociation_PR_eps_BearerIdentity) { cnAssoc->choice.eps_BearerIdentity = 5; } if(cnAssoc->present == DRB_ToAddMod__cnAssociation_PR_sdap_Config) { CU_ALLOC(cnAssoc->choice.sdap_Config, sizeof(SDAP_Config_t)); if(cnAssoc->choice.sdap_Config) { cnAssoc->choice.sdap_Config->pdu_Session = 5; cnAssoc->choice.sdap_Config->sdap_HeaderDL = 0; cnAssoc->choice.sdap_Config->sdap_HeaderUL = 0; cnAssoc->choice.sdap_Config->defaultDRB = true; cnAssoc->choice.sdap_Config->mappedQoS_FlowsToAdd = NULLP; cnAssoc->choice.sdap_Config->mappedQoS_FlowsToRelease = NULLP; CU_ALLOC(cnAssoc->choice.sdap_Config->mappedQoS_FlowsToAdd, \ sizeof(struct SDAP_Config__mappedQoS_FlowsToAdd)); if(cnAssoc->choice.sdap_Config->mappedQoS_FlowsToAdd) { ret = fillQosFlowsToAdd(cnAssoc->choice.sdap_Config->mappedQoS_FlowsToAdd); } else { DU_LOG("\nF1AP: Memory alloc failed at mappedQoS_FlowsToAdd in fillCnAssoc()"); CU_FREE(cnAssoc->choice.sdap_Config, sizeof(SDAP_Config_t)); ret = RFAILED; } } else { DU_LOG("\nF1AP: Mem alloc failed at fillCnAssoc()"); ret = RFAILED; } } return ret; } /******************************************************************* * * @brief Fills Radio Bearer Config for Drb * * @details * * Function : fillDrbCfg * * Functionality: Fills Radio Bearer Config for Drb * * @params[in] drbId, DRB_ToAddModList * * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t fillDrbCfg(uint8_t drbId, DRB_ToAddModList_t *drbCfg) { uint8_t idx, ied, ret, elementCnt; ret = ROK; if(drbCfg != NULLP) { elementCnt = 1; drbCfg->list.count = elementCnt; drbCfg->list.size =\ elementCnt * sizeof(DRB_ToAddMod_t *); CU_ALLOC(drbCfg->list.array, drbCfg->list.size); if(drbCfg->list.array != NULLP) { for(idx = 0; idx < elementCnt; idx++) { CU_ALLOC(drbCfg->list.array[idx], sizeof(DRB_ToAddMod_t)); if(drbCfg->list.array[idx] == NULLP) { for(ied = 0; ied < idx; ied++) { CU_FREE(drbCfg->list.array[idx], sizeof(DRB_ToAddMod_t)); } CU_FREE(drbCfg->list.array, drbCfg->list.size); return RFAILED; } } } else { return RFAILED; } idx = 0; /* CN ASSOCIATION */ CU_ALLOC(drbCfg->list.array[idx]->cnAssociation, sizeof(struct DRB_ToAddMod__cnAssociation)); if(drbCfg->list.array[idx]->cnAssociation) { ret = fillCnAssoc(drbCfg->list.array[idx]->cnAssociation); } /* DRB */ drbCfg->list.array[idx]->drb_Identity = drbId; } return ret; } /******************************************************************* * * @brief Fills RRC Reconfig Message required for DLRRCMessageTransfer * * @details * * Function : fillRrcReconfigIE * * Functionality: Fills RRC Reconfig Message required for * DLRRCMessageTransfer * * @params[in] RRCReconfiguration_IEs_t* rrcReconfig * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t fillRrcReconfigIE(RRCReconfiguration_IEs_t *rrcReconfigMsg) { uint8_t ret = ROK; CU_ALLOC(rrcReconfigMsg->radioBearerConfig, sizeof(RadioBearerConfig_t)); if(rrcReconfigMsg->radioBearerConfig) { CU_ALLOC(rrcReconfigMsg->radioBearerConfig->srb_ToAddModList, sizeof(SRB_ToAddModList_t)); if(rrcReconfigMsg->radioBearerConfig->srb_ToAddModList != NULLP) { ret = fillSrbCfg(SRB2, rrcReconfigMsg->radioBearerConfig->srb_ToAddModList); } if(ret == ROK) { CU_ALLOC(rrcReconfigMsg->radioBearerConfig->drb_ToAddModList, sizeof(DRB_ToAddModList_t)); if(rrcReconfigMsg->radioBearerConfig->drb_ToAddModList != NULLP) { ret = fillDrbCfg(DRB1, rrcReconfigMsg->radioBearerConfig->drb_ToAddModList); if(ret == RFAILED) { DU_LOG("\n F1AP: Failed to fill DrbCfg at fillRrcReconfigIE()"); CU_FREE(rrcReconfigMsg->radioBearerConfig->srb_ToAddModList, sizeof(SRB_ToAddModList_t)); CU_FREE(rrcReconfigMsg->radioBearerConfig->drb_ToAddModList, sizeof(DRB_ToAddModList_t)); } } } else { DU_LOG("\n F1AP: memory Alloc failed at fillRrcReconfigIE()"); CU_FREE(rrcReconfigMsg->radioBearerConfig->srb_ToAddModList, sizeof(SRB_ToAddModList_t)); } } return ret; } /******************************************************************* * * @brief Fills DL DCCH Message required for DLRRCMessageTransfer * * @details * * Function : fillDlDcchRrcMsg * * Functionality: Fills DL DCCH Message required for * DLRRCMessageTransfer * * @params[in] RRCContainer_t *rrcContainer * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t fillDlDcchRrcMsg(RRCContainer_t *rrcContainer) { uint8_t ret = ROK; uint16_t idx2; DL_DCCH_Message_t dl_DCCH_Msg; memset(&dl_DCCH_Msg, 0, sizeof(DL_DCCH_Message_t)); asn_enc_rval_t encRetVal; if(rrcContainer != NULLP) { dl_DCCH_Msg.message.present = DL_DCCH_MessageType_PR_c1; CU_ALLOC(dl_DCCH_Msg.message.choice.c1 , sizeof(DL_DCCH_MessageType_t)); if(dl_DCCH_Msg.message.choice.c1 != NULLP) { dl_DCCH_Msg.message.choice.c1->present = DL_DCCH_MessageType__c1_PR_rrcReconfiguration; CU_ALLOC(dl_DCCH_Msg.message.choice.c1->choice.rrcReconfiguration, sizeof(RRCReconfiguration_t)); if(dl_DCCH_Msg.message.choice.c1->choice.rrcReconfiguration != NULLP) { dl_DCCH_Msg.message.choice.c1->choice.rrcReconfiguration->rrc_TransactionIdentifier = 0; dl_DCCH_Msg.message.choice.c1->choice.rrcReconfiguration->criticalExtensions.\ present = RRCReconfiguration__criticalExtensions_PR_rrcReconfiguration; /* Fill RRC Reconfig IE */ CU_ALLOC(dl_DCCH_Msg.message.choice.c1->choice.rrcReconfiguration->\ criticalExtensions.choice.rrcReconfiguration, sizeof(RRCReconfiguration_IEs_t)); if(dl_DCCH_Msg.message.choice.c1->choice.rrcReconfiguration->\ criticalExtensions.choice.rrcReconfiguration != NULLP) { ret = fillRrcReconfigIE(dl_DCCH_Msg.message.choice.c1->choice.rrcReconfiguration->\ criticalExtensions.choice.rrcReconfiguration); if(ret == ROK) { /* encode DL-DCCH message into RRC Container */ xer_fprint(stdout, &asn_DEF_DL_DCCH_MessageType, &dl_DCCH_Msg); cmMemset((U8 *)encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; encRetVal = aper_encode(&asn_DEF_DL_DCCH_MessageType, 0, &dl_DCCH_Msg, PrepFinalEncBuf, encBuf); /* Encode results */ if(encRetVal.encoded == ENCODE_FAIL) { DU_LOG( "\n F1AP : Could not encode RRCContainer for DL-DCCH Msg (at %s)\n",\ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); return RFAILED; } else { DU_LOG("\n F1AP : Created APER encoded buffer for RRCContainer for DL-DCCH Msg\n"); for(int i = 0; i< encBufSize; i++) { printf("%x",encBuf[i]); } rrcContainer->size = encBufSize; CU_ALLOC(rrcContainer->buf, rrcContainer->size); if(rrcContainer->buf != NULLP) { memset(rrcContainer->buf, 0, encBufSize); for(idx2 = 0; idx2 < encBufSize; idx2++) { rrcContainer->buf[idx2] = encBuf[idx2]; } } } } else { DU_LOG("\nF1AP: Failed to fill RrcReconfig IE at fillDlDcchRrcMsg()"); } } else { DU_LOG("\nF1AP: Memory Alloc failed for RRC Reconfig at fillDlDcchRrcMsg()"); ret = RFAILED; } } else { DU_LOG("\nF1AP: Memory Alloc failed for RRC Msg at fillDlDcchRrcMsg()"); ret = RFAILED; } } else { DU_LOG("\nF1AP: Memory Alloc failed for DL Dcch Msg choice at fillDlDcchRrcMsg()"); ret = RFAILED; } } else { DU_LOG("\nF1AP: RRC Container is NULLP at fillDlDcchRrcMsg()"); ret = RFAILED; } return ret; } /******************************************************************* * * @brief Builds RRC Container IE required for DLRRCMessageTransfer * * @details * * Function : BuildDLRRCContainer * * Functionality: Builds RRC Container IE required for * DLRRCMessageTransfer * * @params[in] * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildDLRRCContainer(uint8_t rrcMsgType, RRCContainer_t *rrcContainer) { uint8_t ret = ROK; if(rrcMsgType == RRC_SETUP) { ret = fillDlCcchRrcMsg(rrcContainer); if(ret == RFAILED) DU_LOG("\n F1AP: Failed to fill DL-CCCH Msg at BuildDLRRCContainer()"); } else if(rrcMsgType == RRC_RECONFIG) { ret = fillDlDcchRrcMsg(rrcContainer); if(ret == RFAILED) DU_LOG("\n F1AP: Failed at fill DL-DCCH Msg at BuildDLRRCContainer()"); } return ret; } /******************************************************************* * * @brief Builds and sends the DLRRCMessageTransfer * * @details * * Function : BuildAndSendDLRRCMessageTransfer * * Functionality: Constructs the DL RRC Message Transfer and sends * it to the CU through SCTP. * * @params[in] * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildAndSendDLRRCMessageTransfer(uint8_t rrcMsgType) { uint8_t elementCnt = 0; uint8_t ieId; uint8_t idx; F1AP_PDU_t *f1apMsg = NULLP; DLRRCMessageTransfer_t *dlRRCMsg = NULLP; asn_enc_rval_t encRetVal; /* Encoder return value */ DU_LOG("\n F1AP : Building DL RRC Message Transfer Message\n"); CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t)); if(f1apMsg == NULLP) { DU_LOG(" F1AP : Memory allocation for F1AP-PDU failed"); return RFAILED; } f1apMsg->present = F1AP_PDU_PR_initiatingMessage; CU_ALLOC(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t)); if(f1apMsg->choice.initiatingMessage == NULLP) { DU_LOG(" F1AP : Memory allocation for F1AP-PDU failed"); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } f1apMsg->choice.initiatingMessage->procedureCode = ProcedureCode_id_DLRRCMessageTransfer; f1apMsg->choice.initiatingMessage->criticality = Criticality_ignore; f1apMsg->choice.initiatingMessage->value.present = InitiatingMessage__value_PR_DLRRCMessageTransfer; dlRRCMsg = &f1apMsg->choice.initiatingMessage->value.choice.DLRRCMessageTransfer; elementCnt = 4; dlRRCMsg->protocolIEs.list.count = elementCnt; dlRRCMsg->protocolIEs.list.size = elementCnt * sizeof(DLRRCMessageTransferIEs_t *); /* Initialize the F1Setup members */ CU_ALLOC(dlRRCMsg->protocolIEs.list.array, dlRRCMsg->protocolIEs.list.size); if(dlRRCMsg->protocolIEs.list.array == NULLP) { DU_LOG(" F1AP : Memory allocation for DL RRC MessageTransferIEs failed"); CU_FREE(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t)); CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); return RFAILED; } for(idx=0; idxprotocolIEs.list.array[idx], sizeof(DLRRCMessageTransferIEs_t)); if(dlRRCMsg->protocolIEs.list.array[idx] == NULLP) { for(ieId=0; ieIdprotocolIEs.list.array[ieId],\ sizeof(DLRRCMessageTransferIEs_t)); } CU_FREE(dlRRCMsg->protocolIEs.list.array,\ dlRRCMsg->protocolIEs.list.size); CU_FREE(f1apMsg->choice.initiatingMessage,\ sizeof(InitiatingMessage_t)); CU_FREE(f1apMsg,sizeof(F1AP_PDU_t)); return RFAILED; } } /* GNB CU UE F1AP ID */ idx = 0; dlRRCMsg->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID; dlRRCMsg->protocolIEs.list.array[idx]->criticality = Criticality_reject; dlRRCMsg->protocolIEs.list.array[idx]->value.present = \ DLRRCMessageTransferIEs__value_PR_GNB_CU_UE_F1AP_ID; dlRRCMsg->protocolIEs.list.array[idx]->value.choice.GNB_CU_UE_F1AP_ID = CU_ID; /* GNB DU UE F1AP ID */ idx++; dlRRCMsg->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID; dlRRCMsg->protocolIEs.list.array[idx]->criticality = Criticality_reject; dlRRCMsg->protocolIEs.list.array[idx]->value.present = \ DLRRCMessageTransferIEs__value_PR_GNB_DU_UE_F1AP_ID; dlRRCMsg->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID = DU_ID; /* SRBID */ idx++; dlRRCMsg->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_SRBID; dlRRCMsg->protocolIEs.list.array[idx]->criticality = Criticality_reject; dlRRCMsg->protocolIEs.list.array[idx]->value.present = \ DLRRCMessageTransferIEs__value_PR_SRBID; dlRRCMsg->protocolIEs.list.array[idx]->value.choice.SRBID = SRB1; /* RRCContainer */ idx++; dlRRCMsg->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_RRCContainer; dlRRCMsg->protocolIEs.list.array[idx]->criticality = Criticality_reject; dlRRCMsg->protocolIEs.list.array[idx]->value.present = \ DLRRCMessageTransferIEs__value_PR_RRCContainer; BuildDLRRCContainer(rrcMsgType, &dlRRCMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer); xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); /* Encode the F1SetupRequest type as APER */ memset(encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf,\ encBuf); /* Encode results */ if(encRetVal.encoded == ENCODE_FAIL) { DU_LOG( "\n F1AP : Could not encode DL RRC Message Transfer structure (at %s)\n",\ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); return RFAILED; } else { DU_LOG("\n F1AP : Created APER encoded buffer for DL RRC Message transfer\n"); for(int i=0; i< encBufSize; i++) { printf("%x",encBuf[i]); } } /* Sending msg */ if(SendF1APMsg(CU_APP_MEM_REG,CU_POOL) != ROK) { DU_LOG("\n F1AP : Sending DL RRC Message Transfer Failed"); return RFAILED; } return ROK; }/* End of BuildAndSendDLRRCMessageTransfer */ /******************************************************************* * * @brief Builds and sends the UE Setup Response * * @details * * Function : BuildAndSendUESetRsp * * Functionality: Constructs the UE Setup Response and sends * it to the DU through SCTP. * * @params[in] * * @return ROK - success * RFAILED - failure * * ****************************************************************/ S16 BuildAndSendUESetRsp() { S16 ret; U8 elementCnt; U8 cellCnt; U8 ieId; U8 idx; U8 drbCnt; U8 drbId; F1AP_PDU_t *f1apMsg = NULL; UEContextSetupResponse_t *ueSetRsp; asn_enc_rval_t encRetVal; /* Encoder return value */ DU_LOG("\n F1AP : Building UE Context Setup Response\n"); CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t)); if(f1apMsg == NULLP) { DU_LOG(" F1AP : Memory allocation for F1AP-PDU failed"); return RFAILED; } f1apMsg->present = F1AP_PDU_PR_successfulOutcome; CU_ALLOC(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); if(f1apMsg->choice.successfulOutcome == NULLP) { DU_LOG(" F1AP : Memory allocation for F1AP-PDU failed"); CU_FREE(f1apMsg,sizeof(F1AP_PDU_t)); return RFAILED; } f1apMsg->choice.successfulOutcome->procedureCode = \ ProcedureCode_id_UEContextSetup; f1apMsg->choice.successfulOutcome->criticality = Criticality_reject; f1apMsg->choice.successfulOutcome->value.present = \ SuccessfulOutcome__value_PR_UEContextSetupResponse; ueSetRsp = &f1apMsg->choice.successfulOutcome->value.choice.UEContextSetupResponse; elementCnt = 2; ueSetRsp->protocolIEs.list.count = elementCnt; ueSetRsp->protocolIEs.list.size = \ elementCnt * sizeof(UEContextSetupResponse_t *); /* Initialize the UESetup members */ CU_ALLOC(ueSetRsp->protocolIEs.list.array, \ ueSetRsp->protocolIEs.list.size); if(ueSetRsp->protocolIEs.list.array == NULLP) { DU_LOG(" F1AP : Memory allocation for UE Setup Response failed"); CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg,(Size)sizeof(F1AP_PDU_t)); return RFAILED; } for(idx=0; idxprotocolIEs.list.array[idx],\ sizeof(UEContextSetupResponseIEs_t)); if(ueSetRsp->protocolIEs.list.array[idx] == NULLP) { for(ieId=0; ieIdprotocolIEs.list.array[ieId],\ sizeof(UEContextSetupResponseIEs_t)); } CU_FREE(ueSetRsp->protocolIEs.list.array,\ ueSetRsp->protocolIEs.list.size); CU_FREE(f1apMsg->choice.successfulOutcome,\ sizeof(SuccessfulOutcome_t)); CU_FREE(f1apMsg,sizeof(F1AP_PDU_t)); return RFAILED; } } idx = 0; /*GNB CU UE F1AP ID*/ ueSetRsp->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID; ueSetRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetRsp->protocolIEs.list.array[idx]->value.present = \ UEContextSetupResponseIEs__value_PR_GNB_CU_UE_F1AP_ID; ueSetRsp->protocolIEs.list.array[idx]->value.choice.GNB_CU_UE_F1AP_ID = CU_ID; /*GNB DU UE F1AP ID*/ idx++; ueSetRsp->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID; ueSetRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetRsp->protocolIEs.list.array[idx]->value.present = \ UEContextSetupResponseIEs__value_PR_GNB_DU_UE_F1AP_ID; ueSetRsp->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID = DU_ID; xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); /* Encode the F1SetupRequest type as APER */ memset(encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf,\ encBuf); /* Encode results */ if(encRetVal.encoded == ENCODE_FAIL) { DU_LOG( "\n F1AP : Could not encode UE Context Setup Request structure (at %s)\n",\ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); return RFAILED; } else { DU_LOG("\n F1AP : Created APER encoded buffer for UE Context Setup Request\n"); for(int i=0; i< encBufSize; i++) { printf("%x",encBuf[i]); } } /* Sending msg */ if(SendF1APMsg(CU_APP_MEM_REG,CU_POOL) != ROK) { DU_LOG("\n F1AP : Sending UE Context Setup Request Failed"); return RFAILED; } return ROK; }/* End of BuildAndSendUESetRsp */ /******************************************************************* * * @brief Function to set the Dl RRC Msg Type * * @details * * Function : setDlRRCMsgType * * Functionality: Constructs the UE Setup Response and sends * it to the DU through SCTP. * * @params[in] * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t setDlRRCMsgType() { uint8_t rrcMsgType = 0; switch(f1apMsgDb.dlRrcMsgCount) { case RRC_SETUP: rrcMsgType = RRC_SETUP; break; case RRC_SECURITY_MODE_COMMAND: rrcMsgType = RRC_SECURITY_MODE_COMMAND; break; case RRC_RECONFIG: rrcMsgType = RRC_RECONFIG; break; default: break; } return rrcMsgType; } /******************************************************************* * * @brief Function to build Initial UL RRC Message * * @details * * Function : procInitULRRCMsg * * Functionality: Function to build Initial UL RRC Message * * @params[in] * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t procInitULRRCMsg(F1AP_PDU_t *f1apMsg) { uint8_t idx, rrcMsgType; uint8_t ret =ROK; InitialULRRCMessageTransfer_t *initULRRCMsg = NULLP; DU_LOG("\n filling the required values in DB in procInitULRRCMsg"); initULRRCMsg = &f1apMsg->choice.initiatingMessage->value.choice.InitialULRRCMessageTransfer; for(idx=0; idx < initULRRCMsg->protocolIEs.list.count; idx++) { switch(initULRRCMsg->protocolIEs.list.array[idx]->id) { case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID: break; case ProtocolIE_ID_id_NRCGI: break; case ProtocolIE_ID_id_C_RNTI: break; case ProtocolIE_ID_id_RRCContainer: break; case ProtocolIE_ID_id_DUtoCURRCContainer: { if((initULRRCMsg->protocolIEs.list.array[idx]->value.choice\ .DUtoCURRCContainer.size > 0) && (initULRRCMsg->protocolIEs\ .list.array[idx]->value.choice.DUtoCURRCContainer.buf != NULLP)) { DU_LOG("\n Received Du to Cu RRC Container "); f1apMsgDb.duToCuContainer.size = initULRRCMsg->protocolIEs\ .list.array[idx]->value.choice.DUtoCURRCContainer.size; CU_ALLOC(f1apMsgDb.duToCuContainer.buf, \ f1apMsgDb.duToCuContainer.size); if(f1apMsgDb.duToCuContainer.buf != NULLP) { memcpy(f1apMsgDb.duToCuContainer.buf, initULRRCMsg->protocolIEs\ .list.array[idx]->value.choice.DUtoCURRCContainer.buf, f1apMsgDb\ .duToCuContainer.size); } } else { DU_LOG("\n Failed to receive Du to Cu RRC Container "); ret = RFAILED; } break; } default: DU_LOG("\n Invalid Event %ld", initULRRCMsg->protocolIEs.list.array[idx]->id); break; } } if(ret == ROK) { f1apMsgDb.dlRrcMsgCount++; rrcMsgType = setDlRRCMsgType(); ret = BuildAndSendDLRRCMessageTransfer(rrcMsgType); } return ret; } /******************************************************************* * * @brief Builds Nrcgi * * @details * * Function : BuildNrcgi * * Functionality: Building the PLMN ID and NR Cell id * * @params[in] NRCGI_t *nrcgi * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildNrcgi(NRCGI_t *nrcgi) { uint8_t ret; uint8_t unused = 4; uint8_t byteSize = 5; uint8_t val = 16; /* Allocate Buffer Memory */ nrcgi->pLMN_Identity.size = 3 * sizeof(uint8_t); CU_ALLOC(nrcgi->pLMN_Identity.buf, nrcgi->pLMN_Identity.size); if(nrcgi->pLMN_Identity.buf == NULLP) { return RFAILED; } ret = buildPlmnId(cuCfgParams.plmn , nrcgi->pLMN_Identity.buf); if(ret != ROK) { return RFAILED; } nrcgi->nRCellIdentity.size = byteSize * sizeof(uint8_t); CU_ALLOC(nrcgi->nRCellIdentity.buf, nrcgi->nRCellIdentity.size); if(nrcgi->nRCellIdentity.buf == NULLP) { return RFAILED; } ret = fillBitString(&nrcgi->nRCellIdentity, unused, byteSize, val); if(ret != ROK) { return RFAILED; } return ROK; } /******************************************************************* * * @brief Builds Special cell list for UE Setup Request * * @details * * Function : BuildSplCellList * * Functionality: Constructs the Special Cell list for UESetReq * * @params[in] SCell_ToBeSetup_List_t *spCellLst * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildSplCellList(SCell_ToBeSetup_List_t *spCellLst) { uint8_t cellCnt; uint8_t idx; uint8_t ret; cellCnt = 1; spCellLst->list.count = cellCnt; spCellLst->list.size = cellCnt * sizeof(SCell_ToBeSetup_ItemIEs_t *); CU_ALLOC(spCellLst->list.array,spCellLst->list.size); if(spCellLst->list.array == NULLP) { return RFAILED; } for(idx=0; idxlist.array[idx],sizeof(SCell_ToBeSetup_ItemIEs_t)); if(spCellLst->list.array[idx] == NULLP) { return RFAILED; } } idx = 0; spCellLst->list.array[idx]->id = ProtocolIE_ID_id_SCell_ToBeSetup_Item; spCellLst->list.array[idx]->criticality = Criticality_ignore; spCellLst->list.array[idx]->value.present =\ SCell_ToBeSetup_ItemIEs__value_PR_SCell_ToBeSetup_Item; /* Special Cell ID -NRCGI */ ret = BuildNrcgi(&spCellLst->list.array[idx]->value.choice.SCell_ToBeSetup_Item.sCell_ID); if(ret != ROK) { return RFAILED; } /*Special Cell Index*/ spCellLst->list.array[idx]->value.choice.SCell_ToBeSetup_Item.sCellIndex = 1; return ROK; }/* End of BuildSplCellList*/ /******************************************************************* * * @brief Builds SRBS to be setup * * @details * * Function : BuildSRBSetup * * Functionality: Constructs the SRB's for UESetReq * * @params[in] SRBs_ToBeSetup_List_t *srbSet * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildSRBSetup(SRBs_ToBeSetup_List_t *srbSet) { uint8_t idx; uint8_t srbCnt; srbCnt = 1; srbSet->list.count = srbCnt; srbSet->list.size = srbCnt*sizeof(SRBs_ToBeSetup_ItemIEs_t *); CU_ALLOC(srbSet->list.array,srbSet->list.size); if(srbSet->list.array == NULLP) { return RFAILED; } for(idx=0; idxlist.array[idx],sizeof(SRBs_ToBeSetup_ItemIEs_t)); if(srbSet->list.array[idx] == NULLP) { return RFAILED; } } idx = 0; srbSet->list.array[idx]->id = ProtocolIE_ID_id_SRBs_ToBeSetup_Item; srbSet->list.array[idx]->criticality = Criticality_ignore; srbSet->list.array[idx]->value.present = \ SRBs_ToBeSetup_ItemIEs__value_PR_SRBs_ToBeSetup_Item; srbSet->list.array[idx]->value.choice.SRBs_ToBeSetup_Item.sRBID = 2; return ROK; }/* End of BuildSRBSetup*/ /******************************************************************* * * @brief Builds QOS Info for DRB Setum Item * * @details * * Function : BuildQOSInfo * * Functionality: Constructs the QOS Info for DRB Setup Item * * @params[in] QoSInformation_t *qosinfo * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildQOSInfo(QoSFlowLevelQoSParameters_t *drbQos) { /* NonDynamic5QIDescriptor */ drbQos->qoS_Characteristics.present = QoS_Characteristics_PR_non_Dynamic_5QI; CU_ALLOC(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI,sizeof(NonDynamic5QIDescriptor_t)); if(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI == NULLP) { return RFAILED; } /*FiveQI*/ drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->fiveQI = 0; /*AveragingWindow*/ CU_ALLOC(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow,\ sizeof(AveragingWindow_t)); if(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow == \ NULLP) { return RFAILED; } *(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow) = 0; /*MaxDataBurstVolume*/ CU_ALLOC(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume,\ sizeof(MaxDataBurstVolume_t)); if(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume == \ NULLP) { return RFAILED; } *(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume) = 0; /*nRGRAN Allocation Retention Priority*/ drbQos->nGRANallocationRetentionPriority.priorityLevel = PriorityLevel_highest; drbQos->nGRANallocationRetentionPriority.pre_emptionCapability = Pre_emptionCapability_may_trigger_pre_emption; drbQos->nGRANallocationRetentionPriority.pre_emptionVulnerability = Pre_emptionVulnerability_not_pre_emptable; /* TO DO: GBR_QoSFlowInformation */ return ROK; }/*End of BuildQOSInfo*/ /******************************************************************* * * @brief Builds SNSSAI * * @details * * Function : BuildSNSSAI * * Functionality: Constructs the SNSSAI For DRB list * * @params[in] SNSSAI_t *snssai * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildSNSSAI(SNSSAI_t *snssai) { /*SNSSAI*/ /*ssT*/ snssai->sST.size = sizeof(uint8_t); CU_ALLOC(snssai->sST.buf,snssai->sST.size); if(snssai->sST.buf == NULLP) { return RFAILED; } snssai->sST.buf[0] = 3; /*sD*/ CU_ALLOC(snssai->sD,sizeof(OCTET_STRING_t)); if(snssai->sD == NULLP) { return RFAILED; } snssai->sD->size = 3*sizeof(uint8_t); CU_ALLOC(snssai->sD->buf,snssai->sD->size); if(snssai->sD->buf == NULLP) { return RFAILED; } snssai->sD->buf[0] = 3; snssai->sD->buf[1] = 6; snssai->sD->buf[2] = 9; return ROK; }/*End of BuildSNSSAI*/ /******************************************************************* * * @brief Builds the flow map. * * @details * * Function : BuildFlowsMap * * Functionality: Constructs the flowmap For DRB list * * @params[in] Flows_Mapped_To_DRB_List_t *flowMap * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildFlowsMap(Flows_Mapped_To_DRB_List_t *flowMap) { uint8_t ret; uint8_t idx; uint8_t flowCnt; flowCnt = 1; flowMap->list.count = flowCnt; flowMap->list.size = flowCnt * sizeof(Flows_Mapped_To_DRB_Item_t *); CU_ALLOC(flowMap->list.array,flowMap->list.size); if(flowMap->list.array == NULLP) { return RFAILED; } for(idx=0; idxlist.array[idx],sizeof(Flows_Mapped_To_DRB_Item_t)); if(flowMap->list.array[idx] == NULLP) { return RFAILED; } } idx = 0; flowMap->list.array[idx]->qoSFlowIdentifier = 0; ret = BuildQOSInfo(&flowMap->list.array[idx]->qoSFlowLevelQoSParameters); if(ret != ROK) { return RFAILED; } return ROK; }/*End of BuildFlowsMap*/ /******************************************************************* * * @brief Builds the Uplink Tunnel Info * * @details * * Function : BuildULTnlInfo * * Functionality: Constructs the UL TnlInfo For DRB list * * @params[in] ULUPTNLInformation_ToBeSetup_List_t *ulInfo * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildULTnlInfo(ULUPTNLInformation_ToBeSetup_List_t *ulInfo) { uint8_t idx; uint8_t ulCnt; ulCnt = 1; ulInfo->list.count = ulCnt; ulInfo->list.size = ulCnt * sizeof(ULUPTNLInformation_ToBeSetup_Item_t *); CU_ALLOC(ulInfo->list.array,ulInfo->list.size); if(ulInfo->list.array == NULLP) { return RFAILED; } for(idx=0; idxlist.array[idx],sizeof(ULUPTNLInformation_ToBeSetup_Item_t)); if(ulInfo->list.array[idx] == NULLP) { return RFAILED; } } idx = 0; ulInfo->list.array[idx]->uLUPTNLInformation.present = \ UPTransportLayerInformation_PR_gTPTunnel; /*GTP TUNNEL*/ CU_ALLOC(ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel,\ sizeof(GTPTunnel_t)); if(ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel == NULLP) { return RFAILED; } ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.size = 4*sizeof(uint8_t); CU_ALLOC(ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.buf,ulInfo->list.array[idx]->\ uLUPTNLInformation.choice.gTPTunnel->transportLayerAddress.size); if(ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.buf == NULLP) { return RFAILED; } ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.buf[0] = 4; ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.buf[1] = 4; ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.buf[2] = 4; ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.buf[3] = 5; ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.bits_unused = 0; /*GTP TEID*/ ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.size\ = 4 * sizeof(uint8_t); CU_ALLOC(ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ gTP_TEID.buf,ulInfo->list.array[idx]->uLUPTNLInformation.choice.\ gTPTunnel->gTP_TEID.size); if(ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf\ == NULLP) { return RFAILED; } ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ gTP_TEID.buf[0] = 11; ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ gTP_TEID.buf[1] = 0; ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ gTP_TEID.buf[2] = 0; ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\ gTP_TEID.buf[3] = 1; return ROK; }/*End of BuildULTnlInfo*/ /******************************************************************* * * @brief Builds DRBS to be setup * * @details * * Function : BuildDRBSetup * * Functionality: Constructs the DRB's for UESetReq * * @params[in] DRBs_ToBeSetup_List_t *drbSet * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildDRBSetup(DRBs_ToBeSetup_List_t *drbSet) { uint8_t BuildQOSInforet; uint8_t BuildSNSSAIret; uint8_t BuildFlowsMapret; uint8_t BuildULTnlInforet; uint8_t idx; uint8_t drbCnt; DRBs_ToBeSetup_Item_t *drbSetItem; drbCnt = 1; drbSet->list.count = drbCnt; drbSet->list.size = drbCnt*sizeof(DRBs_ToBeSetup_ItemIEs_t *); CU_ALLOC(drbSet->list.array,drbSet->list.size); if(drbSet->list.array == NULLP) { return RFAILED; } for(idx=0; idxlist.array[idx],sizeof(DRBs_ToBeSetup_ItemIEs_t)); if(drbSet->list.array[idx] == NULLP) { return RFAILED; } } idx = 0; drbSet->list.array[idx]->id = ProtocolIE_ID_id_DRBs_ToBeSetup_Item; drbSet->list.array[idx]->criticality = Criticality_ignore; drbSet->list.array[idx]->value.present = \ DRBs_ToBeSetup_ItemIEs__value_PR_DRBs_ToBeSetup_Item; drbSetItem = &drbSet->list.array[idx]->value.choice.DRBs_ToBeSetup_Item; /*dRBID*/ drbSetItem->dRBID = 1; /*qoSInformation*/ drbSetItem->qoSInformation.present = QoSInformation_PR_choice_extension; CU_ALLOC(drbSetItem->qoSInformation.choice.choice_extension,sizeof(QoSInformation_ExtIEs_t)); if(drbSetItem->qoSInformation.choice.choice_extension == NULLP) { return RFAILED; } drbSetItem->qoSInformation.choice.choice_extension->id = \ ProtocolIE_ID_id_DRB_Information; drbSetItem->qoSInformation.choice.choice_extension->criticality = \ Criticality_ignore; drbSetItem->qoSInformation.choice.choice_extension->value.present = \ QoSInformation_ExtIEs__value_PR_DRB_Information; BuildQOSInforet = BuildQOSInfo(&drbSetItem->qoSInformation.choice.\ choice_extension->value.choice.DRB_Information.dRB_QoS); if(BuildQOSInforet != ROK) { return RFAILED; } /*SNSSAI*/ BuildSNSSAIret = BuildSNSSAI(&drbSetItem->qoSInformation.choice.\ choice_extension->value.choice.DRB_Information.sNSSAI); if(BuildSNSSAIret != ROK) { return RFAILED; } /*Flows mapped to DRB List*/ BuildFlowsMapret = BuildFlowsMap(&drbSetItem->qoSInformation.choice.\ choice_extension->value.choice.DRB_Information.flows_Mapped_To_DRB_List); if(BuildFlowsMapret != ROK) { return RFAILED; } /*ULUPTNLInformation To Be Setup List*/ BuildULTnlInforet = BuildULTnlInfo(&drbSetItem->uLUPTNLInformation_ToBeSetup_List); if(BuildULTnlInforet != ROK) { return RFAILED; } /*RLCMode*/ drbSetItem->rLCMode = RLCMode_rlc_um_bidirectional; /*UL Configuration*/ CU_ALLOC(drbSetItem->uLConfiguration,sizeof(ULConfiguration_t)); if(drbSetItem->uLConfiguration == NULLP) { return RFAILED; } drbSetItem->uLConfiguration->uLUEConfiguration = ULUEConfiguration_no_data; return ROK; }/* End of BuildDRBSetup*/ /******************************************************************* * * @brief Deallocating memory of function BuildAndSendUESetReq * * @details * * Function : FreeNrcgi * * Functionality: Deallocating memory for function BuildNrcgi * * @params[in] NRCGI_t *nrcgi * * @return void * *******************************************************************/ void FreeNrcgi(NRCGI_t *nrcgi) { if(nrcgi->pLMN_Identity.buf != NULLP) { if(nrcgi->nRCellIdentity.buf != NULLP) { CU_FREE(nrcgi->nRCellIdentity.buf, nrcgi->nRCellIdentity.size); } CU_FREE(nrcgi->pLMN_Identity.buf, nrcgi->pLMN_Identity.size); } } /******************************************************************* * * @brief Deallocating memory of function BuildAndSendUESetReq * * @details * * Function : FreeSplCellList * * Functionality: Deallocating memory for function BuildSplCellList * * @params[in] SCell_ToBeSetup_List_t *spCellLst * * @return void * * * *****************************************************************/ void FreeSplCellList(SCell_ToBeSetup_List_t *spCellLst) { uint8_t cellidx; if(spCellLst->list.array != NULLP) { for(cellidx=0; cellidxlist.count; cellidx++) { if(cellidx==0&&spCellLst->list.array[cellidx]!=NULLP) { FreeNrcgi(&spCellLst->list.array[cellidx]->value.choice.SCell_ToBeSetup_Item.sCell_ID); } if(spCellLst->list.array[cellidx]!=NULLP) { CU_FREE(spCellLst->list.array[cellidx],sizeof(SCell_ToBeSetup_ItemIEs_t)); } } CU_FREE(spCellLst->list.array,spCellLst->list.size); } } /******************************************************************* * * @brief Deallocating memory of function BuildAndSendUESetReq * * @details * * Function : FreeSRBSetup * * Functionality: Deallocating memory for function BuildSRBSetup * * @params[in] SRBs_ToBeSetup_List_t *srbSet * * @return void * * * ******************************************************************/ void FreeSRBSetup(SRBs_ToBeSetup_List_t *srbSet) { uint8_t srbidx; if(srbSet->list.array != NULLP) { for(srbidx=0; srbidxlist.count; srbidx++) { if(srbSet->list.array[srbidx]!=NULLP) { CU_FREE(srbSet->list.array[srbidx],sizeof(SRBs_ToBeSetup_ItemIEs_t)); } } CU_FREE(srbSet->list.array,srbSet->list.size); } } /******************************************************************* * * @brief Deallocating memory of function BuildAndSendUESetReq * * @details * * Function : FreeQOSInfo * * Functionality: Deallocating memory for function BuildQOSInfo * * @params[in] QoSFlowLevelQoSParameters_t *drbQos * * @return void * * ****************************************************************/ void FreeQOSInfo(QoSFlowLevelQoSParameters_t *drbQos) { if(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI != NULLP) { if(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow!=NULLP) { if(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume!=NULLP) { CU_FREE(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume,\ sizeof(MaxDataBurstVolume_t)); } CU_FREE(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow,\ sizeof(AveragingWindow_t)); } CU_FREE(drbQos->qoS_Characteristics.choice.non_Dynamic_5QI,\ sizeof(NonDynamic5QIDescriptor_t)); } } /******************************************************************* * * @brief Deallocating memory of function BuildAndSendUESetReq * * @details * * Function : FreeULTnlInfo * * Functionality: Deallocating memory for function BuildULTnlInfo * * @params[in] ULUPTNLInformation_ToBeSetup_List_t *ulInfo * * @return void * * ****************************************************************/ void FreeULTnlInfo(ULUPTNLInformation_ToBeSetup_List_t *ulInfo) { uint8_t ulidx=0; if(ulInfo->list.array != NULLP) { for(ulidx=0; ulidxlist.count; ulidx++) { if(ulidx==0&&ulInfo->list.array[ulidx]!=NULLP) { if(ulInfo->list.array[ulidx]->uLUPTNLInformation.choice.gTPTunnel!=NULLP) { if(ulInfo->list.array[ulidx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.buf != NULLP) { if(ulInfo->list.array[ulidx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf\ !=NULLP) { CU_ALLOC(ulInfo->list.array[ulidx]->uLUPTNLInformation.choice.gTPTunnel->\ gTP_TEID.buf,ulInfo->list.array[ulidx]->uLUPTNLInformation.choice.\ gTPTunnel->gTP_TEID.size); } CU_FREE(ulInfo->list.array[ulidx]->uLUPTNLInformation.choice.gTPTunnel->\ transportLayerAddress.buf,ulInfo->list.array[ulidx]->\ uLUPTNLInformation.choice.gTPTunnel->transportLayerAddress.size); } CU_FREE(ulInfo->list.array[ulidx]->uLUPTNLInformation.choice.gTPTunnel,\ sizeof(GTPTunnel_t)); } } if(ulInfo->list.array[ulidx]!=NULLP) { CU_FREE(ulInfo->list.array[ulidx],sizeof(ULUPTNLInformation_ToBeSetup_Item_t)); } } CU_FREE(ulInfo->list.array,ulInfo->list.size); } } /******************************************************************* * * @brief Deallocating memory for BuildAndSendUESetReq * * @details * * Function : FreeDRBSetup * * Functionality: Deallocating memory for BuildDRBSetup * * @params[in] DRBs_ToBeSetup_List_t *drbSet * * @return void * * ****************************************************************/ void FreeDRBSetup(DRBs_ToBeSetup_List_t *drbSet) { DRBs_ToBeSetup_Item_t *drbSetItem; uint8_t flowidx; uint8_t drbidx; if(drbSet->list.array == NULLP) { for(drbidx=0; drbidxlist.count; drbidx++) { if(drbidx==0&&drbSet->list.array[drbidx] != NULLP) { drbSetItem =&drbSet->list.array[drbidx]->value.choice.DRBs_ToBeSetup_Item; if(drbSetItem->qoSInformation.choice.choice_extension != NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.dRB_QoS.\ qoS_Characteristics.choice.non_Dynamic_5QI !=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.dRB_QoS.\ qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow!=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.dRB_QoS.\ qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume!=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI.sST.buf!=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI.sD!=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI.sD->buf!=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.\ flows_Mapped_To_DRB_List.list.array != NULLP) { for(flowidx=0;flowidxqoSInformation.choice.choice_extension->value.choice.DRB_Information.\ flows_Mapped_To_DRB_List.list.count; flowidx++) { if(flowidx==0&&drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx]!=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx]->qoSFlowLevelQoSParameters.\ qoS_Characteristics.choice.non_Dynamic_5QI!=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx]->qoSFlowLevelQoSParameters.\ qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow!=NULLP) { if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx]->qoSFlowLevelQoSParameters.\ qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume!=NULLP) { FreeULTnlInfo(&drbSetItem->uLUPTNLInformation_ToBeSetup_List); CU_FREE(drbSetItem->uLConfiguration,sizeof(ULConfiguration_t)); CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx]->qoSFlowLevelQoSParameters.\ qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume,\ sizeof(MaxDataBurstVolume_t)); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx]->qoSFlowLevelQoSParameters.\ qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow,sizeof(AveragingWindow_t)); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx]->qoSFlowLevelQoSParameters.\ qoS_Characteristics.choice.non_Dynamic_5QI,sizeof(NonDynamic5QIDescriptor_t)); } } if(drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx]!=NULLP) { CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.\ DRB_Information.flows_Mapped_To_DRB_List.list.array[flowidx],sizeof(Flows_Mapped_To_DRB_Item_t)); } } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.\ flows_Mapped_To_DRB_List.list.array,drbSetItem->qoSInformation.choice.choice_extension->value.\ choice.DRB_Information.flows_Mapped_To_DRB_List.list.size); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI.sD->buf,\ drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI.sD->size); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI.sD,\ sizeof(OCTET_STRING_t)); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI.sST.buf,\ drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI.sST.size); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.dRB_QoS.\ qoS_Characteristics.choice.non_Dynamic_5QI->maxDataBurstVolume,sizeof(MaxDataBurstVolume_t)); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.dRB_QoS.\ qoS_Characteristics.choice.non_Dynamic_5QI->averagingWindow,sizeof(AveragingWindow_t)); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.dRB_QoS.\ qoS_Characteristics.choice.non_Dynamic_5QI, sizeof(NonDynamic5QIDescriptor_t)); } CU_FREE(drbSetItem->qoSInformation.choice.choice_extension,sizeof(QoSInformation_ExtIEs_t)); } } if(drbSet->list.array[drbidx]!=NULLP) { CU_FREE(drbSet->list.array[drbidx],sizeof(DRBs_ToBeSetup_ItemIEs_t)); } } CU_FREE(drbSet->list.array,drbSet->list.size); } } /******************************************************************* * * @brief Free the UE Setup Request * * @details * * Function : FreeUESetReq * * Functionality: Deallocate the memory of BuildUESetReq * * @params[in] F1AP_PDU_t *f1apMsg * * @return void * * * ****************************************************************/ void FreeUESetReq(F1AP_PDU_t *f1apMsg) { uint8_t idx=2; uint8_t ieId; UEContextSetupRequest_t *ueSetReq; if(f1apMsg != NULLP) { if(f1apMsg->choice.initiatingMessage != NULLP) { ueSetReq = &f1apMsg->choice.initiatingMessage->value.choice.UEContextSetupRequest; if(ueSetReq->protocolIEs.list.array != NULLP) { if(ueSetReq->protocolIEs.list.array[idx]) { FreeNrcgi(&ueSetReq->protocolIEs.list.array[idx]->value.choice.NRCGI); idx=6; if(ueSetReq->protocolIEs.list.array[idx]) { FreeSplCellList(&ueSetReq->protocolIEs.list.array[idx]->value.choice.SCell_ToBeSetup_List); idx++; if(ueSetReq->protocolIEs.list.array[idx]) { FreeSRBSetup(&ueSetReq->protocolIEs.list.array[idx]->value.choice.SRBs_ToBeSetup_List); idx++; if(ueSetReq->protocolIEs.list.array[idx]) { FreeDRBSetup(&ueSetReq->protocolIEs.list.array[idx]->value.choice.DRBs_ToBeSetup_List); } } } } for(ieId=0; ieIdprotocolIEs.list.count; ieId++) { if(ueSetReq->protocolIEs.list.array[ieId] != NULLP) { CU_FREE(ueSetReq->protocolIEs.list.array[ieId],sizeof(UEContextSetupRequestIEs_t)); } } CU_FREE(ueSetReq->protocolIEs.list.array,ueSetReq->protocolIEs.list.size); } CU_FREE(f1apMsg->choice.initiatingMessage,sizeof(InitiatingMessage_t)); } CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); } } /******************************************************************* * * @brief Builds and sends the UE Setup Request * * @details * * Function : BuildAndSendUESetReq * * Functionality: Constructs the UE Setup Request and sends * it to the CU through SCTP. * * @params[in] * * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildAndSendUESetReq(uint8_t cuUeF1apId, uint8_t duUeF1apId, \ uint16_t rrcContLen, uint8_t *rrcContainer) { uint8_t Nrcgiret; uint8_t SplCellListret; uint8_t SrbSetupret; uint8_t elementCnt; uint8_t idx; uint8_t idx1; F1AP_PDU_t *f1apMsg = NULLP; UEContextSetupRequest_t *ueSetReq = NULLP; asn_enc_rval_t encRetVal; /* Encoder return value */ memset(&encRetVal, 0, sizeof(asn_enc_rval_t)); uint8_t ret= RFAILED; uint8_t ret1; while(true) { DU_LOG("\n F1AP : Building UE Context Setup Request\n"); CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t)); if(f1apMsg == NULLP) { DU_LOG(" F1AP : Memory allocation for F1AP-PDU failed"); break; } f1apMsg->present = F1AP_PDU_PR_initiatingMessage; CU_ALLOC(f1apMsg->choice.initiatingMessage,sizeof(InitiatingMessage_t)); if(f1apMsg->choice.initiatingMessage == NULLP) { DU_LOG(" F1AP : Memory allocation for F1AP-PDU failed"); break; } f1apMsg->choice.initiatingMessage->procedureCode = \ ProcedureCode_id_UEContextSetup; f1apMsg->choice.initiatingMessage->criticality = Criticality_reject; f1apMsg->choice.initiatingMessage->value.present = \ InitiatingMessage__value_PR_UEContextSetupRequest; ueSetReq = &f1apMsg->choice.initiatingMessage->value.choice.UEContextSetupRequest; elementCnt = 11; ueSetReq->protocolIEs.list.count = elementCnt; ueSetReq->protocolIEs.list.size = \ elementCnt * sizeof(UEContextSetupRequestIEs_t *); /* Initialize the UESetup members */ CU_ALLOC(ueSetReq->protocolIEs.list.array,ueSetReq->protocolIEs.list.size); if(ueSetReq->protocolIEs.list.array == NULLP) { DU_LOG(" F1AP : Memory allocation for UE Context SetupRequest failed"); break; } for(idx1=0; idx1protocolIEs.list.array[idx1],sizeof(UEContextSetupRequestIEs_t)); if(ueSetReq->protocolIEs.list.array[idx1] == NULLP) { break; } } idx = 0; /*GNB CU UE F1AP ID*/ ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_GNB_CU_UE_F1AP_ID; ueSetReq->protocolIEs.list.array[idx]->value.choice.GNB_CU_UE_F1AP_ID = cuUeF1apId; /*GNB DU UE F1AP ID*/ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_GNB_DU_UE_F1AP_ID; ueSetReq->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID = duUeF1apId; /*Special Cell ID*/ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_SpCell_ID; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_NRCGI; Nrcgiret = BuildNrcgi(&ueSetReq->protocolIEs.list.array[idx]->value.choice.NRCGI); if(Nrcgiret != ROK) { break; } /*Served Cell Index*/ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_ServCellIndex; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_ServCellIndex; ueSetReq->protocolIEs.list.array[idx]->value.choice.ServCellIndex = \ CELL_INDEX; /*CellULConfigured*/ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_SpCellULConfigured; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_CellULConfigured; ueSetReq->protocolIEs.list.array[idx]->value.choice.CellULConfigured = \ CellULConfigured_none; /*CUtoDURRCContainer*/ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_CUtoDURRCInformation; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_CUtoDURRCInformation; /*Special Cells to be SetupList*/ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_SCell_ToBeSetup_List; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_SCell_ToBeSetup_List; SplCellListret = BuildSplCellList(&ueSetReq->protocolIEs.list.array[idx]->value.choice.SCell_ToBeSetup_List); if(SplCellListret != ROK) { break; } /*SRBs To Be Setup List*/ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_SRBs_ToBeSetup_List; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_SRBs_ToBeSetup_List; SrbSetupret = BuildSRBSetup(&ueSetReq->protocolIEs.list.array[idx]->value.choice.SRBs_ToBeSetup_List); if(SrbSetupret != ROK) { break; } /*DRBs to Be Setup List*/ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_DRBs_ToBeSetup_List; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_DRBs_ToBeSetup_List; ret1 = BuildDRBSetup(&ueSetReq->protocolIEs.list.array[idx]->value.choice.DRBs_ToBeSetup_List); if(ret1 != ROK) { break; } /* RRC Container */ idx++; ueSetReq->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_RRCContainer; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_RRCContainer; ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.size = rrcContLen; CU_ALLOC(ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf, ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.size); if(!ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf) { DU_LOG(" F1AP : Memory allocation for BuildAndSendUESetReq failed"); break; } memcpy(ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf, \ rrcContainer, ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.size); /* RRC delivery status request */ idx++; ueSetReq->protocolIEs.list.array[idx]->id = \ ProtocolIE_ID_id_RRCDeliveryStatusRequest; ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore; ueSetReq->protocolIEs.list.array[idx]->value.present = \ UEContextSetupRequestIEs__value_PR_RRCDeliveryStatusRequest; ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCDeliveryStatusRequest = \ RRCDeliveryStatusRequest_true; xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); /* Encode the F1SetupRequest type as APER */ memset(encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf,\ encBuf); /* Encode results */ if(encRetVal.encoded == ENCODE_FAIL) { DU_LOG( "\n F1AP : Could not encode UE Context Setup Request structure (at %s)\n",\ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); break; } else { DU_LOG("\n F1AP : Created APER encoded buffer for UE Context Setup Request\n"); for(int i=0; i< encBufSize; i++) { printf("%x",encBuf[i]); } } /* Sending msg */ if(SendF1APMsg(CU_APP_MEM_REG,CU_POOL) != ROK) { DU_LOG("\n F1AP : Sending UE Context Setup Request Failed"); break; } ret = ROK; break; } FreeUESetReq(f1apMsg); return ret; }/* End of BuildAndSendUESetReq*/ uint8_t procUlRrcMsg(F1AP_PDU_t *f1apMsg) { uint8_t idx, ret, srbId, rrcMsgType; uint8_t cuUeF1apId, duUeF1apId; uint8_t *rrcContainer = NULLP; uint16_t rrcContLen; ULRRCMessageTransfer_t *ulRrcMsg = NULLP; ret = ROK; ulRrcMsg = &f1apMsg->choice.initiatingMessage->value.choice.ULRRCMessageTransfer; for(idx=0; idx < ulRrcMsg->protocolIEs.list.count; idx++) { switch(ulRrcMsg->protocolIEs.list.array[idx]->id) { case ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID: { cuUeF1apId = ulRrcMsg->protocolIEs.list.array[idx]->value.choice.GNB_CU_UE_F1AP_ID; break; } case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID: { duUeF1apId = ulRrcMsg->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID; break; } case ProtocolIE_ID_id_SRBID: srbId = ulRrcMsg->protocolIEs.list.array[idx]->value.choice.SRBID; break; case ProtocolIE_ID_id_RRCContainer: { rrcContLen = ulRrcMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer.size; CU_ALLOC(rrcContainer, rrcContLen) if(!rrcContainer) { DU_LOG("\nCU_STUB: Failed to allocated memory in procUlRrcMsg"); return RFAILED; } memcpy(rrcContainer, ulRrcMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf,\ rrcContLen); break; } default: DU_LOG("\n Invalid Event %ld", ulRrcMsg->protocolIEs.list.array[idx]->id); break; } } if(srbId == 1) { f1apMsgDb.dlRrcMsgCount++; rrcMsgType = setDlRRCMsgType(); if(rrcMsgType == RRC_SECURITY_MODE_COMMAND) { ret = BuildAndSendUESetReq(cuUeF1apId, duUeF1apId, rrcContLen, rrcContainer); } if(rrcMsgType == RRC_RECONFIG) { ret = BuildAndSendDLRRCMessageTransfer(rrcMsgType); } } return ret; } /**************************************************************** * @brief Build And Send F1ResetAck * * @details * * Function : FreeF1ResetAck * * Functionality: * - Build And Send F1ResetRSP * * @params[in] * @return ROK - success * RFAILED - failure * * ****************************************************************/ void FreeF1ResetAck(F1AP_PDU_t *f1apMsg) { uint8_t idx; ResetAcknowledge_t *f1ResetAck; if(f1apMsg) { if(f1apMsg->choice.successfulOutcome) { f1ResetAck= &f1apMsg->choice.successfulOutcome->value.choice.ResetAcknowledge; if(f1ResetAck->protocolIEs.list.array) { for(idx=0; idxprotocolIEs.list.count ; idx++) { if(f1ResetAck->protocolIEs.list.array[idx]) { CU_FREE(f1ResetAck->protocolIEs.list.array[idx], sizeof(ResetAcknowledgeIEs_t)); } } CU_FREE(f1ResetAck->protocolIEs.list.array, f1ResetAck->protocolIEs.list.size ); } CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); } CU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); } } /**************************************************************** * @brief Build And Send F1ResetAck * * @details * * Function : BuildAndSendF1ResetAck * * Functionality: * - Build And Send F1ResetRSP * * @params[in] * @return ROK - success * RFAILED - failure * * ****************************************************************/ uint8_t BuildAndSendF1ResetAck() { uint8_t idx = 0; uint8_t elementCnt = 0; uint8_t ret = RFAILED; F1AP_PDU_t *f1apMsg = NULL; ResetAcknowledge_t *f1ResetAck = NULLP; asn_enc_rval_t encRetVal; DU_LOG("\nF1AP : Building F1 Reset Acknowledgment \n"); do{ /* Allocate the memory for F1ResetRequest_t */ CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t)); if(f1apMsg == NULLP) { DU_LOG("\nF1AP : Memory allocation for F1AP-PDU failed"); break; } f1apMsg->present = F1AP_PDU_PR_successfulOutcome; CU_ALLOC(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); if(f1apMsg->choice.successfulOutcome == NULLP) { DU_LOG("\nF1AP : Memory allocation for F1AP-PDU failed"); break; } f1apMsg->choice.successfulOutcome->procedureCode = ProcedureCode_id_Reset; f1apMsg->choice.successfulOutcome->criticality = Criticality_reject; f1apMsg->choice.successfulOutcome->value.present = SuccessfulOutcome__value_PR_ResetAcknowledge; f1ResetAck = &f1apMsg->choice.successfulOutcome->value.choice.ResetAcknowledge; elementCnt = 1; f1ResetAck->protocolIEs.list.count = elementCnt; f1ResetAck->protocolIEs.list.size = elementCnt*sizeof(ResetAcknowledgeIEs_t *); CU_ALLOC(f1ResetAck->protocolIEs.list.array, f1ResetAck->protocolIEs.list.size ); if(f1ResetAck->protocolIEs.list.array == NULLP) { DU_LOG("\nF1AP : Memory allocation for F1ResetAckIEs failed"); break; } for(idx=0; idxprotocolIEs.list.array[idx], sizeof(ResetAcknowledgeIEs_t)); if(f1ResetAck->protocolIEs.list.array[idx] == NULLP) { break; } } /*TransactionID*/ idx = 0; f1ResetAck->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_TransactionID; f1ResetAck->protocolIEs.list.array[idx]->criticality = Criticality_reject; f1ResetAck->protocolIEs.list.array[idx]->value.present = ResetAcknowledgeIEs__value_PR_TransactionID; f1ResetAck->protocolIEs.list.array[idx]->value.choice.TransactionID = TRANS_ID; xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); /* Encode the F1SetupRequest type as UPER */ memset(encBuf, 0, ENC_BUF_MAX_LEN); encBufSize = 0; encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf, encBuf); /* Check encode results */ if(encRetVal.encoded == ENCODE_FAIL) { DU_LOG("\nF1AP : Could not encode F1ResetAck structure (at %s)\n",\ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); break; } else { DU_LOG("\nF1AP : Created APER encoded buffer for F1ResetAck \n"); for(int i=0; i< encBufSize; i++) { printf("%x",encBuf[i]); } } /* Sending msg */ if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK) { DU_LOG("\nF1AP : Sending F1 Reset Response failed"); break; } ret = ROK; break; }while(true); FreeF1ResetAck(f1apMsg); return ret; } /******************************************************************* * * @brief Handles received F1AP message and sends back response * * @details * * Function : F1APMsgHdlr * * Functionality: * - Decodes received F1AP control message * - Prepares response message, encodes and sends to SCTP * * @params[in] * @return ROK - success * RFAILED - failure * * ****************************************************************/ void F1APMsgHdlr(Buffer *mBuf) { int i; char *recvBuf; MsgLen copyCnt; MsgLen recvBufLen; F1AP_PDU_t *f1apMsg = NULLP; asn_dec_rval_t rval; /* Decoder return value */ F1AP_PDU_t f1apasnmsg ; DU_LOG("\nF1AP : Received F1AP message buffer"); ODU_PRINT_MSG(mBuf, 0,0); /* Copy mBuf into char array to decode it */ ODU_GET_MSG_LEN(mBuf, &recvBufLen); CU_ALLOC(recvBuf, (Size)recvBufLen); if(recvBuf == NULLP) { DU_LOG("\nF1AP : Memory allocation failed"); return; } if(ODU_COPY_MSG_TO_FIX_BUF(mBuf, 0, recvBufLen, (Data *)recvBuf, ©Cnt) != ROK) { DU_LOG("\nF1AP : Failed while copying %d", copyCnt); return; } printf("\nF1AP : Received flat buffer to be decoded : "); for(i=0; i< recvBufLen; i++) { printf("%x",recvBuf[i]); } /* Decoding flat buffer into F1AP messsage */ f1apMsg = &f1apasnmsg; memset(f1apMsg, 0, sizeof(F1AP_PDU_t)); rval = aper_decode(0, &asn_DEF_F1AP_PDU, (void **)&f1apMsg, recvBuf, recvBufLen, 0, 0); CU_FREE(recvBuf, (Size)recvBufLen); if(rval.code == RC_FAIL || rval.code == RC_WMORE) { DU_LOG("\nF1AP : ASN decode failed"); return; } printf("\n"); xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); switch(f1apMsg->present) { case F1AP_PDU_PR_initiatingMessage: { switch(f1apMsg->choice.initiatingMessage->value.present) { case InitiatingMessage__value_PR_Reset: { DU_LOG("\nF1AP : F1 reset request received "); BuildAndSendF1ResetAck(); break; } case InitiatingMessage__value_PR_F1SetupRequest: { DU_LOG("\nF1AP : F1 setup request received"); BuildAndSendF1SetupRsp(); break; } case InitiatingMessage__value_PR_GNBDUConfigurationUpdate: { DU_LOG("\nF1AP : GNB-DU config update received"); BuildAndSendDUUpdateAck(); DU_LOG("\nF1AP : Sending F1 reset request"); BuildAndSendF1ResetReq(); break; } case InitiatingMessage__value_PR_InitialULRRCMessageTransfer: { DU_LOG("\nF1AP : Received InitialULRRCMessageTransfer"); procInitULRRCMsg(f1apMsg); break; } case InitiatingMessage__value_PR_ULRRCMessageTransfer: { DU_LOG("\nF1AP : Received ULRRCMessageTransfer"); procUlRrcMsg(f1apMsg); break; } case InitiatingMessage__value_PR_RRCDeliveryReport: { DU_LOG("\nF1AP : Received RRC delivery report"); break; } default: { DU_LOG("\nF1AP : Invalid type of intiating message [%d]",f1apMsg->choice.initiatingMessage->value.present); return; } }/* End of switch(initiatingMessage) */ break; } case F1AP_PDU_PR_successfulOutcome: { switch(f1apMsg->choice.successfulOutcome->value.present) { case SuccessfulOutcome__value_PR_ResetAcknowledge: { DU_LOG("\nF1Reset Acknowledgement is received successfully "); break; } }/* End of switch(successfulOutcome) */ break; } default: { DU_LOG("\nF1AP : Invalid type of f1apMsg->present [%d]",f1apMsg->present); return; } }/* End of switch(f1apMsg->present) */ } /* End of F1APMsgHdlr */ /********************************************************************** End of file **********************************************************************/